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Surface and Subsurface Contamination Report------APN: 053 — 15 -04------ arcel Nos. 1, 2, 3, & 4 The San Joaquin County Agricultural Commissioners report shows that the property owner has been complying with all the rules and regulations for the appropriate and safe use of chemicals in producing the agricultural crops. This compliance should then not produce any excessive or detrimental chemical concentrations on his property. Groundwater Elevation: The San Joaquin County Flood Control and Water Conservation Map entitled"Lines of Equal Depth To Water Wells, dated Spring 1999, shows the groundwater table to be at least one hundred-eighty(180)feet below the ground surface. Soil Character: The University of California publication entitled"Soils of San Joaquin County, California",by Walter W. Weir, dated June 1952,identifies the soil on the subject property to be Ramona Sandy Loam. Ramona Sandy Loam This soil is on older alluvial fans or on terraces having moderately developed profiles (moderately dense subsoils) over unrelated material (shallow),It is alluvial soils derived as outwash from acid igneous (Granite)sources. It is nearly level less than 2% slope). Its color is reddish brown and resistant to erosion. The soil is neutral. The pH is about 7.0. It is alkali free with less than 0.2% soluble salts. Permeability is good near the surface but imperfect in the subsoil. The Storie Index=46 which rates this soil as fair regarding agricultural crop productivity. The University of California publication entitled"Soils of San Joaquin County, California,United States Department of Agricultural Soil Conservation Service", issued October 1992,lists two(2) soil series that may be encountered on the subject property. The two (2) series listed are Comeda Sandy Loam and Kaseber Fine Sandy Loam with the Comeda Sandy Loam soil classification being the dominant material present. Comeda Sandy Loam Typically the Comeda Sandy Loam soil is a well-drained soil on low dissected terraces. It is moderately deep to dense,weakly cemented soils. It formed in old alluvium derived from granitic rock sources. Typically the surface layer is brown sandy loam about 22' thick. The upper part of the subsoil is a claypan of brown sandy clay about 14"thick. The lower part to a depth of 60" is brown dense weakly cemented sandy loam and sandy clay loam. Permeability is very slow in Coneda soil. The shrink-swell potential is high Available water capacity is moderate. Water may be perched above claypan or underlying sediments after periods of heavy rainfall or irrigation. Runoff is slow and the hazard of water erosion is slight. The rate of water intake in irrigated areas is 1.5" per hour. T Minn Prndnrorncc----- 10100 wrct Kettlrman T.nne-----T Mi -----C'Aifnmia OSM40 (+